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Merge pull request #292 from pi-hole/fix/allow_underscores_in_domains

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Allow underscores in domain names
This commit is contained in:
Mcat12
2016-12-24 13:49:39 -05:00
committed by GitHub
parent c095884355 5bda56edb1
commit bdb8a8eab5
1 changed files with 1 additions and 1 deletions
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php/savesettings.php
+1 -1
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@@ -26,7 +26,7 @@ function istrue($argument) {
// Credit: http://stackoverflow.com/a/4694816/2087442
function validDomain($domain_name)
{
$validChars = preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $domain_name);
$validChars = preg_match("/^([_a-z\d](-*[_a-z\d])*)(\.([_a-z\d](-*[a-z\d])*))*(\.([a-z\d])*)+$/i", $domain_name);
$lengthCheck = preg_match("/^.{1,253}$/", $domain_name);
$labelLengthCheck = preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $domain_name);
return ( $validChars && $lengthCheck && $labelLengthCheck ); //length of each label